Chevrier was selected in the 7th round (55th overall) of the 2017 CFL Draft. After attending training camp with the Riders, the 24-year-old returned to the University of Sherbrooke to complete his fifth and final year of collegiate eligibility. Through 35 career games with the Vert & Or, he collected 152 defensive tackles, six tackles for loss, four quarterback sacks and one interception.

Gagne originally signed with the Riders as an undrafted free agent in May after an impressive showing at mini-camp. The 25-year-old spent most of his rookie season on the team’s practice roster, but played one regular-season game where he picked up a special-teams tackle.

Picton was selected in the 5th round (37th overall) of the 2017 CFL Draft. The 22-year-old returned to the University of Regina for his final collegiate season after attending training camp with the Riders. While with the Rams, Picton totalled 170 receptions for 2,447 yards and 24 touchdowns in 38 carrer games with the Rams. He was named U-Sports First Team All-Canadian and Canada West All-Star in 2016.Sprukulis remained at the University of Toronto for his fifth season after being selected by the Riders in 6th round (46th overall) in the 2017 CFL Draft. The 22-year-old started all career collegiate games on the Varsity Blues offensive line.